package com.ny;

public class Mss {
    public static void main(String[] args) {
        Vehicle vehicle = new Vehicle("通用", "示例车");
        vehicle.drive();

        Car car = new Car("宝马", "X5");
        car.drive();

        Bike bike = new Bike("捷安特", "ATX 830");
        bike.drive();
    }
}
